Home / 287,618.82-397,018.17-174,439.14

Finding the Fourth Proportional to 287,618.82, 397,018.17 and 174,439.14

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Solution

The fourth proportional to 287,618.82, 397,018.17 and 174,439.14 is: 240,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,618.82 : 397,018.17 = 174,439.14 : x
  2. Step 2: Convert to fraction form
    287,618.82/397,018.17 = 174,439.14/x
  3. Step 3: Cross multiply
    287,618.82x = 397,018.17 × 174,439.14
  4. Step 4: Simplify right side
    287,618.82x = 69,255,508,139.17
  5. Step 5: Solve for x
    x = 69,255,508,139.17/287,618.82
  6. Step 6: Final answer
    x = 240,789.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.